Abstract
Field experiment was conducted at the Wetlands Farm of Department of Farm Management, Tamil Nadu Agricultural University to find an effective integrated weed management strategy for the control of complex weed flora of aerobic rice. Pre emergence (PE) application of pendimethalin (1.0 kg ha-1) on 3 DAS + Early post emergence (EPOE) application of bispyribac sodium (25 g ha-1) on 20 DAS significantly lowered weed density and dry weight. This sequential application of pendimethalin and bispyribac sodium recorded 61.11 per cent increased yield over weedy check. The net return was higher in PE application of pendimethalin (1.0 kg ha-1) on 3 DAS + EPOE application of bispyribac sodium (25 g ha-1) on 20 DAS (`35,973 ha-1). Mean while growing intercrops as living mulch showed promising results for using it as a component of integrated weed management practice.
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